CASTLE BIOSCIENCES INC — Director's Dealing 2019

Jul 31, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: CASTLE BIOSCIENCES INC (CSTL)
CIK: 0001447362
Period of Report: 2019-07-29

Reporting Person: Aspinall Mara G. (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-07-29	Common Stock	C	14093	—	Acquired	37723	Direct
2019-07-29	Common Stock	P	3125	$16.00	Acquired	40848	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-07-29	Series F Preferred Stock	$	C	17180	Disposed		Common Stock (14093)	Direct

Footnotes

F1: Every 1.219 outstanding shares of Preferred Stock automatically converted into 1 share of Common Stock immediately prior to the closing of the Issuer's initial public offering (the "IPO"), for no additional consideration, with cash paid for any fractional shares. The Preferred Stock had no expiration date.

F2: Represents a purchase from the underwriters in the Issuer's IPO.